When Joe Dulou discovered a mysterious red substance on a light switch and doorframe in Chris Spotz's office, he contacted the sheriff's department. The investigation led to the discovery of additional suspicious stains, eventually testing positive for human blood.
BlueStar is a chemical that reacts with the iron-rich protein in blood, hemoglobin, to reveal the location of bloodstains that were missed. It was used in an investigation to detect the presence of blood on a couch and carpet.
Crime scene investigators found forensic evidence that didn't match any known suspects of the murder of Janet Abaroa. Detectives started interviewing her husband, Raven Abaroa, hoping for information to help solve the case.
Wendy Kipple, a former investigator, recounts the discovery of a bedroom burned to the studs and a huge firearm safe in the middle of the living room, indicating multiple perpetrators in the strange death of Ashley Fallis. The timeline provided by Robert, the victim's husband, raises questions among present-day investigators.
Research shows that the left hemisphere of the brain is responsible for interpreting the meaning of objects in the right visual field, while the right hemisphere interprets the meaning of objects in the left visual field. A study involving a patient with split-brain syndrome revealed how this works in practice.